. >> san francisco police steve graham suhr says the kevin collins case as long haunted him and his department. he says he remembers when colin went missing. he was relatively new on the for the time. suhr also attended the same school as kevin. he talked about what it was like speaking with kevin's mother about talking--taking a closer look at the cold case. >> he also said that along with many other veteran officers, he is deeply committed to finding kevin and uncovering the truth about the disappearance. >> fairfield police said they're now working with the fbi in the search for the kill of a 13 year-old girl whose body was found in a park last week. >> authorities are currently analyzing surveillance video from the area or a 13 year- old murder victim of genelle conway-allen was last seen. >> they did release this picture taken last thursday afternoon it is believed to be the last known image of the young girl. a memorial continues to grow at allen witt park were body was found. her family released a statement saying " this has been a devastating tragedy for our family and our community we